Calcium hydroxide
Also known as: calcium dihydroxide, hydrated lime, slaked lime, lime water, calcium(II) hydroxide
Calcium hydroxide (CAS 1305-62-0) is a compound in the Inorganic Chemicals category listed in the Jingsj chemical database. It has the molecular formula CaH2O2 and a molecular weight of 74.09270 g/mol. Key properties include a melting point of 580 °C, a boiling point of 2850 °C and a density of 2.24 g/mL at 25 °C(lit.). It is classified under GHS with signal word Danger and hazard statements H315 — Causes skin irritation, H318 — Causes serious eye damage and H335 — May cause respiratory irritation. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.
- CAS No.
- 1305-62-0
- Jingsj CID
- J-38483-8
- Molecular Formula
- CaH2O2
- Molecular Weight
- 74.09270 g/mol
- Category
- Inorganic Chemicals
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | - | - | CN China |
Physicochemical Properties
| Melting Point | 580 °C |
|---|---|
| Boiling Point | 2850 °C |
| Density | 2.24 g/mL at 25 °C(lit.) |
| Exact Mass | 73.96810 |
| PSA | 40.46000 |
| Additional Property | 1.65 g/L (20 ºC) |
GHS Safety & Compliance
- H315 — Causes skin irritation
- H318 — Causes serious eye damage
- H335 — May cause respiratory irritation
Customs & Trade Information
| HS Code | 2825909000 |
|---|
Frequently Asked Questions
What is the CAS number of Calcium hydroxide?
The CAS number of Calcium hydroxide is 1305-62-0.
What are the molecular formula and molecular weight of Calcium hydroxide?
Calcium hydroxide has molecular formula CaH2O2 and molecular weight 74.09270 g/mol.
Which suppliers offer Calcium hydroxide?
1 supplier(s) listed; request a quote for pricing.
Is Calcium hydroxide hazardous?
Calcium hydroxide has GHS signal word Danger and hazard statements H315 — Causes skin irritation; H318 — Causes serious eye damage; H335 — May cause respiratory irritation.
What are the upstream and downstream products of Calcium hydroxide?
For Calcium hydroxide, Upstream Products: Water, Calcium.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "Calcium hydroxide (CAS 1305-62-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-38483-8 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.